8396800

素因数分解:

$2^{13}\times 5^2\times {\mathrm{41}}^1$

素因数の和:77

約数の個数: 84

約数和(自身を含む): 21330666

約数和(自身を除く): 12933866

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 64, 80, 82, 100, 128, 160, 164, 200, 205, 256, 320, 328, 400, 410, 512, 640, 656, 800, 820, 1024, 1025, 1280, 1312, 1600, 1640, 2048, 2050, 2560, 2624, 3200, 3280, 4096, 4100, 5120, 5248, 6400, 6560, 8192, 8200, 10240, 10496, 12800, 13120, 16400, 20480, 20992, 25600, 26240, 32800, 40960, 41984, 51200, 52480, 65600, 83968, 102400, 104960, 131200, 167936, 204800, 209920, 262400, 335872, 419840, 524800, 839680, 1049600, 1679360, 2099200, 4198400, 8396800]

約数ペア:

[(1, 8396800), (2, 4198400), (4, 2099200), (5, 1679360), (8, 1049600), (10, 839680), (16, 524800), (20, 419840), (25, 335872), (32, 262400), (40, 209920), (41, 204800), (50, 167936), (64, 131200), (80, 104960), (82, 102400), (100, 83968), (128, 65600), (160, 52480), (164, 51200), (200, 41984), (205, 40960), (256, 32800), (320, 26240), (328, 25600), (400, 20992), (410, 20480), (512, 16400), (640, 13120), (656, 12800), (800, 10496), (820, 10240), (1024, 8200), (1025, 8192), (1280, 6560), (1312, 6400), (1600, 5248), (1640, 5120), (2048, 4100), (2050, 4096), (2560, 3280), (2624, 3200)]